Home / 145,024.48-217,496.88-39,818.40

Finding the Fourth Proportional to 145,024.48, 217,496.88 and 39,818.40

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Solution

The fourth proportional to 145,024.48, 217,496.88 and 39,818.40 is: 59,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,024.48 : 217,496.88 = 39,818.40 : x
  2. Step 2: Convert to fraction form
    145,024.48/217,496.88 = 39,818.40/x
  3. Step 3: Cross multiply
    145,024.48x = 217,496.88 × 39,818.40
  4. Step 4: Simplify right side
    145,024.48x = 8,660,377,766.59
  5. Step 5: Solve for x
    x = 8,660,377,766.59/145,024.48
  6. Step 6: Final answer
    x = 59,716.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.